Home / 423,738,369.60-635,607,554.40-219,329,102.40

Finding the Fourth Proportional to 423,738,369.60, 635,607,554.40 and 219,329,102.40

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Solution

The fourth proportional to 423,738,369.60, 635,607,554.40 and 219,329,102.40 is: 328,993,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,738,369.60 : 635,607,554.40 = 219,329,102.40 : x
  2. Step 2: Convert to fraction form
    423,738,369.60/635,607,554.40 = 219,329,102.40/x
  3. Step 3: Cross multiply
    423,738,369.60x = 635,607,554.40 × 219,329,102.40
  4. Step 4: Simplify right side
    423,738,369.60x = 139,407,234,385,211,168
  5. Step 5: Solve for x
    x = 139,407,234,385,211,168/423,738,369.60
  6. Step 6: Final answer
    x = 328,993,653.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.